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Visaton Speaker Driver - AL 170 - 8 Ohm High-end Low Midrange
Art. No. 1302
![Visaton Rear of AL170 - 8 Ohm.](/mm5/graphics/visaton-drivers/al170/AL 170_2.jpg)
Visaton Rear of AL170 - 8 Ohm
Characteristics and Sound Properties
17cm (6.5") High-End low midrange driver with stiff, anodized aluminium cone, solid aluminium die-cast basket and elastic rubber surround. Extremely low electrical and mechanical losses due to vented pole plate, vented damper and capton voice-coil. Extremely long cone displacement due to long stroke voice coil. Suitable as low-midrange driver for 2-, 3- and 4-way high-end applications up to 2500 Hz.
Technical Specifications
Rated power | 70 W |
Maximum power | 100 W |
Nominal impedance Z | 8 Ohm |
Frequency response (fu: Lower cut-off frequency depending on cabinet) |
fu-10000 Hz |
Mean sound pressure level | 88 dB (1W/1m) |
Dispersion angle (-6 dB) | 51°/4000 Hz |
Excursion limit | ± -11 mm |
Resonance frequency fs | 38Hz |
Magnetic induction | 1.1 T |
Magnetic flux | 520 µWb |
Height of front pole-plate | 6 mm |
Voice coil diameter | 25 mm |
Height of winding | 18 mm |
Cutout diameter | 150 mm |
Net weight | 1.2 kg |
DC resistance Rdc | 5.6 Ohm |
Mechanical Q factor Qms | 3.88 |
Electrical Q factor Qes | 0.43 |
Total Q factor Qts | 0.39 |
Equivalent volume Vas | 34 litres |
Effective piston area Sd | 133 cm2 |
Dynamically moved mass Mms | 13 grams |
Force factor Bxl | 6.9 Tm |
Inductance of the voice coil L | 0.9 mH |
Recommended Cabinet Sizes
Volume / Principle | BR Port | fb | fc / QTC |
10 litre / closed | - | - | 79 Hz/0.81 |
20 litre / bass reflex | BR 19.24 (length 13cm) | 43 Hz | - |
30 litre / bass reflex | BR 19.24 (length 11cm | 39 Hz | - |
fc = System resonance (sealed box system)
QTC = The system's Q at resonance (fc)
Driver Dimensions
![Loudspeaker Driver Dimensions and Measurements - all dimensions in mm (approx.)](../mm5/graphics/visaton-drivers/al170/al170_tz.gif)
Loudspeaker Driver Dimensions and Measurements - all dimensions in mm (approx.)
Frequency and Impedance Response
![Loudspeaker Frequency and Impedance Response Graph](../mm5/graphics/visaton-drivers/al170/al170_8_fs.gif)
Loudspeaker Frequency and Impedance Response Graph
Directivity Pattern
![Loudspeaker Directivity Pattern (on and off axis response)](../mm5/graphics/visaton-drivers/al170/al170_rd.gif)
Loudspeaker Directivity Pattern (on and off axis response)
Waterfall Spectrum
![Loudspeaker Waterfall Spectrum Chart](../mm5/graphics/visaton-drivers/al170/al170_zd.jpg)
Loudspeaker Waterfall Spectrum Chart
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